molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:4:5: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
4 | vector<int> v;
| ^~~~~~
| std::vector
In file included from /usr/include/c++/9/vector:67,
from molecules.h:3,
from molecules.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:386:11: note: 'std::vector' declared here
386 | class vector : protected _Vector_base<_Tp, _Alloc>
| ^~~~~~
molecules.cpp:4:12: error: expected primary-expression before 'int'
4 | vector<int> v;
| ^~~
molecules.cpp:5:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
5 | for(int i = 0; i < w.size(); i++)v.push_back(i);
| ~~^~~~~~~~~~
molecules.cpp:5:38: error: 'v' was not declared in this scope
5 | for(int i = 0; i < w.size(); i++)v.push_back(i);
| ^
molecules.cpp:6:10: error: 'v' was not declared in this scope
6 | sort(v.begin(),v.end(), [&](int x, int y){return w[x] < w[y]});
| ^
molecules.cpp: In lambda function:
molecules.cpp:6:65: error: expected ';' before '}' token
6 | sort(v.begin(),v.end(), [&](int x, int y){return w[x] < w[y]});
| ^
| ;
molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:6:5: error: 'sort' was not declared in this scope; did you mean 'std::sort'?
6 | sort(v.begin(),v.end(), [&](int x, int y){return w[x] < w[y]});
| ^~~~
| std::sort
In file included from /usr/include/c++/9/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
from molecules.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:4887:5: note: 'std::sort' declared here
4887 | sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
| ^~~~
molecules.cpp:7:75: error: expected primary-expression before 'int'
7 | if(accumulate(w.begin(),w.end(),0ll) < l || w[v[0]] > u)return vector<int>();
| ^~~
molecules.cpp:7:75: error: expected ';' before 'int'
7 | if(accumulate(w.begin(),w.end(),0ll) < l || w[v[0]] > u)return vector<int>();
| ^~~
| ;
molecules.cpp:7:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
7 | if(accumulate(w.begin(),w.end(),0ll) < l || w[v[0]] > u)return vector<int>();
| ^~
molecules.cpp:7:75: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
7 | if(accumulate(w.begin(),w.end(),0ll) < l || w[v[0]] > u)return vector<int>();
| ^~~
molecules.cpp:7:78: error: expected unqualified-id before '>' token
7 | if(accumulate(w.begin(),w.end(),0ll) < l || w[v[0]] > u)return vector<int>();
| ^
molecules.cpp:8:12: error: expected primary-expression before 'int'
8 | vector<int> ret;
| ^~~
molecules.cpp:12:7: error: 'ret' was not declared in this scope
12 | ret.push_back(v[j] + 1);
| ^~~
molecules.cpp:14:12: error: 'ret' was not declared in this scope
14 | return ret;
| ^~~